org.getspout.spout.io.CustomTextureManager.java Source code

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Here is the source code for org.getspout.spout.io.CustomTextureManager.java

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/*
 * This file is part of Spoutcraft (http://wiki.getspout.org/).
 * 
 * Spoutcraft is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Spoutcraft is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.getspout.spout.io;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;

import net.minecraft.client.Minecraft;

import org.lwjgl.opengl.GL11;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;

public class CustomTextureManager {
    static HashMap<String, Texture> textures = new HashMap<String, Texture>();
    static HashMap<String, File> cacheTextureFiles = new HashMap<String, File>();

    public static void downloadTexture(String url) {
        downloadTexture(null, url);
    }

    public static void downloadTexture(String plugin, String url) {
        String fileName = FileUtil.getFileName(url);
        if (!FileUtil.isImageFile(fileName)) {
            System.out.println("Rejecting download of invalid texture: " + fileName);
            return;
        }
        if (!isTextureDownloading(url) && !isTextureDownloaded(plugin, url)) {
            Download download = new Download(fileName, FileUtil.getTextureCacheDirectory(), url, null);
            FileDownloadThread.getInstance().addToDownloadQueue(download);
        }
    }

    public static boolean isTextureDownloading(String url) {
        return FileDownloadThread.getInstance().isDownloading(url);
    }

    public static boolean isTextureDownloaded(String url) {
        return (getTextureFile(null, url)).exists();
    }

    public static boolean isTextureDownloaded(String plugin, String url) {
        return (getTextureFile(plugin, url)).exists();
    }

    public static File getTextureFile(String plugin, String url) {
        String fileName = FileUtil.getFileName(url);
        File cache = cacheTextureFiles.get(plugin + File.separator + fileName);
        if (cache != null) {
            return cache;
        }
        if (plugin != null) {
            File file = FileUtil.findTextureFile(plugin, fileName);
            if (file != null) {
                cacheTextureFiles.put(plugin + File.separator + fileName, file);
                return file;
            }
        }
        return new File(FileUtil.getTextureCacheDirectory(), fileName);
    }

    public static Texture getTextureFromPath(String path) {
        if (!textures.containsKey(path)) {
            Texture texture = null;
            try {
                //System.out.println("Loading Texture: " + path);
                FileInputStream stream = new FileInputStream(path);
                texture = TextureLoader.getTexture("PNG", stream, true, GL11.GL_NEAREST);
                stream.close();
            } catch (IOException e) {
            }
            if (texture == null) {
                System.out.println("Error loading texture: " + path);
                return null;
            }
            textures.put(path, texture);
        }
        return textures.get(path);
    }

    public static Texture getTextureFromJar(String path) {
        if (!textures.containsKey(path)) {
            Texture texture = null;
            try {
                //System.out.println("Loading Texture: " + path);
                InputStream stream = Minecraft.class.getResourceAsStream(path);
                texture = TextureLoader.getTexture("PNG", stream, true, GL11.GL_NEAREST);
                stream.close();
            } catch (Exception e) {
            }
            if (texture == null) {
                System.out.println("Error loading texture: " + path);
                return null;
            }
            textures.put(path, texture);
        }
        return textures.get(path);
    }

    public static void resetTextures() {
        for (Texture texture : textures.values()) {
            texture.release();
        }
        cacheTextureFiles.clear();
        textures.clear();
    }

    public static Texture getTextureFromUrl(String url) {
        return getTextureFromUrl(null, url);
    }

    public static Texture getTextureFromUrl(String plugin, String url) {
        File texture = getTextureFile(plugin, url);
        if (!texture.exists()) {
            return null;
        }
        try {
            return getTextureFromPath(texture.getCanonicalPath());
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public static String getTexturePathFromUrl(String url) {
        return getTexturePathFromUrl(null, url);
    }

    public static String getTexturePathFromUrl(String plugin, String url) {
        if (!isTextureDownloaded(plugin, url)) {
            return null;
        }
        File download = new File(FileUtil.getTextureCacheDirectory(), FileUtil.getFileName(url));
        try {
            return download.getCanonicalPath();
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}